Home / 39,023.98-58,545.30-12,728.76

Finding the Fourth Proportional to 39,023.98, 58,545.30 and 12,728.76

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Solution

The fourth proportional to 39,023.98, 58,545.30 and 12,728.76 is: 19,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023.98 : 58,545.30 = 12,728.76 : x
  2. Step 2: Convert to fraction form
    39,023.98/58,545.30 = 12,728.76/x
  3. Step 3: Cross multiply
    39,023.98x = 58,545.30 × 12,728.76
  4. Step 4: Simplify right side
    39,023.98x = 745,209,072.83
  5. Step 5: Solve for x
    x = 745,209,072.83/39,023.98
  6. Step 6: Final answer
    x = 19,096.18

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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.