Home / 42,047.40-58,023.21-26,131.50

Finding the Fourth Proportional to 42,047.40, 58,023.21 and 26,131.50

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Solution

The fourth proportional to 42,047.40, 58,023.21 and 26,131.50 is: 36,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,047.40 : 58,023.21 = 26,131.50 : x
  2. Step 2: Convert to fraction form
    42,047.40/58,023.21 = 26,131.50/x
  3. Step 3: Cross multiply
    42,047.40x = 58,023.21 × 26,131.50
  4. Step 4: Simplify right side
    42,047.40x = 1,516,233,512.12
  5. Step 5: Solve for x
    x = 1,516,233,512.12/42,047.40
  6. Step 6: Final answer
    x = 36,060.10

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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.