Home / 30,592,092.80-45,888,139.20-21,435,075.20

Finding the Fourth Proportional to 30,592,092.80, 45,888,139.20 and 21,435,075.20

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Solution

The fourth proportional to 30,592,092.80, 45,888,139.20 and 21,435,075.20 is: 32,152,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,092.80 : 45,888,139.20 = 21,435,075.20 : x
  2. Step 2: Convert to fraction form
    30,592,092.80/45,888,139.20 = 21,435,075.20/x
  3. Step 3: Cross multiply
    30,592,092.80x = 45,888,139.20 × 21,435,075.20
  4. Step 4: Simplify right side
    30,592,092.80x = 983,615,714,540,067.88
  5. Step 5: Solve for x
    x = 983,615,714,540,067.88/30,592,092.80
  6. Step 6: Final answer
    x = 32,152,612.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.