Home / 63,916.12-88,210.82-38,430.79

Finding the Fourth Proportional to 63,916.12, 88,210.82 and 38,430.79

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Solution

The fourth proportional to 63,916.12, 88,210.82 and 38,430.79 is: 53,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,916.12 : 88,210.82 = 38,430.79 : x
  2. Step 2: Convert to fraction form
    63,916.12/88,210.82 = 38,430.79/x
  3. Step 3: Cross multiply
    63,916.12x = 88,210.82 × 38,430.79
  4. Step 4: Simplify right side
    63,916.12x = 3,390,011,499.15
  5. Step 5: Solve for x
    x = 3,390,011,499.15/63,916.12
  6. Step 6: Final answer
    x = 53,038.44

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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.