Home / 32,420.60-48,632.40-15,760.76

Finding the Fourth Proportional to 32,420.60, 48,632.40 and 15,760.76

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Solution

The fourth proportional to 32,420.60, 48,632.40 and 15,760.76 is: 23,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.60 : 48,632.40 = 15,760.76 : x
  2. Step 2: Convert to fraction form
    32,420.60/48,632.40 = 15,760.76/x
  3. Step 3: Cross multiply
    32,420.60x = 48,632.40 × 15,760.76
  4. Step 4: Simplify right side
    32,420.60x = 766,483,341.46
  5. Step 5: Solve for x
    x = 766,483,341.46/32,420.60
  6. Step 6: Final answer
    x = 23,641.87

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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.