Home / 58,726.32-81,041.90-31,868.16

Finding the Fourth Proportional to 58,726.32, 81,041.90 and 31,868.16

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Solution

The fourth proportional to 58,726.32, 81,041.90 and 31,868.16 is: 43,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,726.32 : 81,041.90 = 31,868.16 : x
  2. Step 2: Convert to fraction form
    58,726.32/81,041.90 = 31,868.16/x
  3. Step 3: Cross multiply
    58,726.32x = 81,041.90 × 31,868.16
  4. Step 4: Simplify right side
    58,726.32x = 2,582,656,235.90
  5. Step 5: Solve for x
    x = 2,582,656,235.90/58,726.32
  6. Step 6: Final answer
    x = 43,977.83

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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.