Home / 30,364.16-45,777.45-28,223.63

Finding the Fourth Proportional to 30,364.16, 45,777.45 and 28,223.63

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Solution

The fourth proportional to 30,364.16, 45,777.45 and 28,223.63 is: 42,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.16 : 45,777.45 = 28,223.63 : x
  2. Step 2: Convert to fraction form
    30,364.16/45,777.45 = 28,223.63/x
  3. Step 3: Cross multiply
    30,364.16x = 45,777.45 × 28,223.63
  4. Step 4: Simplify right side
    30,364.16x = 1,292,005,701.00
  5. Step 5: Solve for x
    x = 1,292,005,701.00/30,364.16
  6. Step 6: Final answer
    x = 42,550.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.