Home / 62,985.76-86,916.35-34,691.45

Finding the Fourth Proportional to 62,985.76, 86,916.35 and 34,691.45

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Solution

The fourth proportional to 62,985.76, 86,916.35 and 34,691.45 is: 47,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.76 : 86,916.35 = 34,691.45 : x
  2. Step 2: Convert to fraction form
    62,985.76/86,916.35 = 34,691.45/x
  3. Step 3: Cross multiply
    62,985.76x = 86,916.35 × 34,691.45
  4. Step 4: Simplify right side
    62,985.76x = 3,015,254,210.21
  5. Step 5: Solve for x
    x = 3,015,254,210.21/62,985.76
  6. Step 6: Final answer
    x = 47,872.00

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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.