Home / 48,421.38-72,639-23,440.89

Finding the Fourth Proportional to 48,421.38, 72,639 and 23,440.89

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Solution

The fourth proportional to 48,421.38, 72,639 and 23,440.89 is: 35,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.38 : 72,639 = 23,440.89 : x
  2. Step 2: Convert to fraction form
    48,421.38/72,639 = 23,440.89/x
  3. Step 3: Cross multiply
    48,421.38x = 72,639 × 23,440.89
  4. Step 4: Simplify right side
    48,421.38x = 1,702,722,808.71
  5. Step 5: Solve for x
    x = 1,702,722,808.71/48,421.38
  6. Step 6: Final answer
    x = 35,164.69

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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.