Home / 42,247.81-63,319.05-36,970.29

Finding the Fourth Proportional to 42,247.81, 63,319.05 and 36,970.29

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Solution

The fourth proportional to 42,247.81, 63,319.05 and 36,970.29 is: 55,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.81 : 63,319.05 = 36,970.29 : x
  2. Step 2: Convert to fraction form
    42,247.81/63,319.05 = 36,970.29/x
  3. Step 3: Cross multiply
    42,247.81x = 63,319.05 × 36,970.29
  4. Step 4: Simplify right side
    42,247.81x = 2,340,923,641.02
  5. Step 5: Solve for x
    x = 2,340,923,641.02/42,247.81
  6. Step 6: Final answer
    x = 55,409.35

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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.