Home / 48,421.07-66,829.01-40,341.92

Finding the Fourth Proportional to 48,421.07, 66,829.01 and 40,341.92

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Solution

The fourth proportional to 48,421.07, 66,829.01 and 40,341.92 is: 55,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.07 : 66,829.01 = 40,341.92 : x
  2. Step 2: Convert to fraction form
    48,421.07/66,829.01 = 40,341.92/x
  3. Step 3: Cross multiply
    48,421.07x = 66,829.01 × 40,341.92
  4. Step 4: Simplify right side
    48,421.07x = 2,696,011,002.20
  5. Step 5: Solve for x
    x = 2,696,011,002.20/48,421.07
  6. Step 6: Final answer
    x = 55,678.47

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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.