Home / 42,549.24-58,720-23,686.36

Finding the Fourth Proportional to 42,549.24, 58,720 and 23,686.36

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Solution

The fourth proportional to 42,549.24, 58,720 and 23,686.36 is: 32,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.24 : 58,720 = 23,686.36 : x
  2. Step 2: Convert to fraction form
    42,549.24/58,720 = 23,686.36/x
  3. Step 3: Cross multiply
    42,549.24x = 58,720 × 23,686.36
  4. Step 4: Simplify right side
    42,549.24x = 1,390,863,059.20
  5. Step 5: Solve for x
    x = 1,390,863,059.20/42,549.24
  6. Step 6: Final answer
    x = 32,688.32

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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.