Home / 48,430.18-72,633.70-20,350.76

Finding the Fourth Proportional to 48,430.18, 72,633.70 and 20,350.76

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Solution

The fourth proportional to 48,430.18, 72,633.70 and 20,350.76 is: 30,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.18 : 72,633.70 = 20,350.76 : x
  2. Step 2: Convert to fraction form
    48,430.18/72,633.70 = 20,350.76/x
  3. Step 3: Cross multiply
    48,430.18x = 72,633.70 × 20,350.76
  4. Step 4: Simplify right side
    48,430.18x = 1,478,150,894.86
  5. Step 5: Solve for x
    x = 1,478,150,894.86/48,430.18
  6. Step 6: Final answer
    x = 30,521.28

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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.