Home / 40,421.61-60,663.55-32,543.40

Finding the Fourth Proportional to 40,421.61, 60,663.55 and 32,543.40

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Solution

The fourth proportional to 40,421.61, 60,663.55 and 32,543.40 is: 48,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.61 : 60,663.55 = 32,543.40 : x
  2. Step 2: Convert to fraction form
    40,421.61/60,663.55 = 32,543.40/x
  3. Step 3: Cross multiply
    40,421.61x = 60,663.55 × 32,543.40
  4. Step 4: Simplify right side
    40,421.61x = 1,974,198,091.71
  5. Step 5: Solve for x
    x = 1,974,198,091.71/40,421.61
  6. Step 6: Final answer
    x = 48,840.16

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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.