Home / 38,643.32-57,925.76-21,968.89

Finding the Fourth Proportional to 38,643.32, 57,925.76 and 21,968.89

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Solution

The fourth proportional to 38,643.32, 57,925.76 and 21,968.89 is: 32,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.32 : 57,925.76 = 21,968.89 : x
  2. Step 2: Convert to fraction form
    38,643.32/57,925.76 = 21,968.89/x
  3. Step 3: Cross multiply
    38,643.32x = 57,925.76 × 21,968.89
  4. Step 4: Simplify right side
    38,643.32x = 1,272,564,649.61
  5. Step 5: Solve for x
    x = 1,272,564,649.61/38,643.32
  6. Step 6: Final answer
    x = 32,931.04

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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.