Home / 38,521.04-53,158.95-21,754.04

Finding the Fourth Proportional to 38,521.04, 53,158.95 and 21,754.04

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Solution

The fourth proportional to 38,521.04, 53,158.95 and 21,754.04 is: 30,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.04 : 53,158.95 = 21,754.04 : x
  2. Step 2: Convert to fraction form
    38,521.04/53,158.95 = 21,754.04/x
  3. Step 3: Cross multiply
    38,521.04x = 53,158.95 × 21,754.04
  4. Step 4: Simplify right side
    38,521.04x = 1,156,421,658.86
  5. Step 5: Solve for x
    x = 1,156,421,658.86/38,521.04
  6. Step 6: Final answer
    x = 30,020.52

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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.