Home / 52,557.02-78,857.40-31,537.52

Finding the Fourth Proportional to 52,557.02, 78,857.40 and 31,537.52

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Solution

The fourth proportional to 52,557.02, 78,857.40 and 31,537.52 is: 47,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.02 : 78,857.40 = 31,537.52 : x
  2. Step 2: Convert to fraction form
    52,557.02/78,857.40 = 31,537.52/x
  3. Step 3: Cross multiply
    52,557.02x = 78,857.40 × 31,537.52
  4. Step 4: Simplify right side
    52,557.02x = 2,486,966,829.65
  5. Step 5: Solve for x
    x = 2,486,966,829.65/52,557.02
  6. Step 6: Final answer
    x = 47,319.40

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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.