Home / 38,888.64-58,337.28-12,588.48

Finding the Fourth Proportional to 38,888.64, 58,337.28 and 12,588.48

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Solution

The fourth proportional to 38,888.64, 58,337.28 and 12,588.48 is: 18,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.64 : 58,337.28 = 12,588.48 : x
  2. Step 2: Convert to fraction form
    38,888.64/58,337.28 = 12,588.48/x
  3. Step 3: Cross multiply
    38,888.64x = 58,337.28 × 12,588.48
  4. Step 4: Simplify right side
    38,888.64x = 734,377,682.53
  5. Step 5: Solve for x
    x = 734,377,682.53/38,888.64
  6. Step 6: Final answer
    x = 18,884.12

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1.5x scale

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.