Home / 42,443.36-63,675.64-29,987.76

Finding the Fourth Proportional to 42,443.36, 63,675.64 and 29,987.76

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Solution

The fourth proportional to 42,443.36, 63,675.64 and 29,987.76 is: 44,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,443.36 : 63,675.64 = 29,987.76 : x
  2. Step 2: Convert to fraction form
    42,443.36/63,675.64 = 29,987.76/x
  3. Step 3: Cross multiply
    42,443.36x = 63,675.64 × 29,987.76
  4. Step 4: Simplify right side
    42,443.36x = 1,909,489,810.17
  5. Step 5: Solve for x
    x = 1,909,489,810.17/42,443.36
  6. Step 6: Final answer
    x = 44,989.13

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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.