Home / 35,853.60-53,780.40-19,264.80

Finding the Fourth Proportional to 35,853.60, 53,780.40 and 19,264.80

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Solution

The fourth proportional to 35,853.60, 53,780.40 and 19,264.80 is: 28,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.60 : 53,780.40 = 19,264.80 : x
  2. Step 2: Convert to fraction form
    35,853.60/53,780.40 = 19,264.80/x
  3. Step 3: Cross multiply
    35,853.60x = 53,780.40 × 19,264.80
  4. Step 4: Simplify right side
    35,853.60x = 1,036,068,649.92
  5. Step 5: Solve for x
    x = 1,036,068,649.92/35,853.60
  6. Step 6: Final answer
    x = 28,897.20

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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.