Home / 32,430.78-44,752.23-18,280.62

Finding the Fourth Proportional to 32,430.78, 44,752.23 and 18,280.62

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Solution

The fourth proportional to 32,430.78, 44,752.23 and 18,280.62 is: 25,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.78 : 44,752.23 = 18,280.62 : x
  2. Step 2: Convert to fraction form
    32,430.78/44,752.23 = 18,280.62/x
  3. Step 3: Cross multiply
    32,430.78x = 44,752.23 × 18,280.62
  4. Step 4: Simplify right side
    32,430.78x = 818,098,510.78
  5. Step 5: Solve for x
    x = 818,098,510.78/32,430.78
  6. Step 6: Final answer
    x = 25,225.99

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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.