Home / 53,646.81-74,041.38-29,781.15

Finding the Fourth Proportional to 53,646.81, 74,041.38 and 29,781.15

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Solution

The fourth proportional to 53,646.81, 74,041.38 and 29,781.15 is: 41,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,646.81 : 74,041.38 = 29,781.15 : x
  2. Step 2: Convert to fraction form
    53,646.81/74,041.38 = 29,781.15/x
  3. Step 3: Cross multiply
    53,646.81x = 74,041.38 × 29,781.15
  4. Step 4: Simplify right side
    53,646.81x = 2,205,037,443.99
  5. Step 5: Solve for x
    x = 2,205,037,443.99/53,646.81
  6. Step 6: Final answer
    x = 41,102.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.