Home / 52,878.88-72,970.32-29,001.12

Finding the Fourth Proportional to 52,878.88, 72,970.32 and 29,001.12

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Solution

The fourth proportional to 52,878.88, 72,970.32 and 29,001.12 is: 40,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.88 : 72,970.32 = 29,001.12 : x
  2. Step 2: Convert to fraction form
    52,878.88/72,970.32 = 29,001.12/x
  3. Step 3: Cross multiply
    52,878.88x = 72,970.32 × 29,001.12
  4. Step 4: Simplify right side
    52,878.88x = 2,116,221,006.76
  5. Step 5: Solve for x
    x = 2,116,221,006.76/52,878.88
  6. Step 6: Final answer
    x = 40,020.16

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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.