Home / 38,657.08-53,372.47-29,688.56

Finding the Fourth Proportional to 38,657.08, 53,372.47 and 29,688.56

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Solution

The fourth proportional to 38,657.08, 53,372.47 and 29,688.56 is: 40,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.08 : 53,372.47 = 29,688.56 : x
  2. Step 2: Convert to fraction form
    38,657.08/53,372.47 = 29,688.56/x
  3. Step 3: Cross multiply
    38,657.08x = 53,372.47 × 29,688.56
  4. Step 4: Simplify right side
    38,657.08x = 1,584,551,692.67
  5. Step 5: Solve for x
    x = 1,584,551,692.67/38,657.08
  6. Step 6: Final answer
    x = 40,989.95

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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.