Home / 42,041.86-58,018.18-23,179.66

Finding the Fourth Proportional to 42,041.86, 58,018.18 and 23,179.66

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Solution

The fourth proportional to 42,041.86, 58,018.18 and 23,179.66 is: 31,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,041.86 : 58,018.18 = 23,179.66 : x
  2. Step 2: Convert to fraction form
    42,041.86/58,018.18 = 23,179.66/x
  3. Step 3: Cross multiply
    42,041.86x = 58,018.18 × 23,179.66
  4. Step 4: Simplify right side
    42,041.86x = 1,344,841,686.22
  5. Step 5: Solve for x
    x = 1,344,841,686.22/42,041.86
  6. Step 6: Final answer
    x = 31,988.16

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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.