Home / 42,158.56-58,178.40-23,295.28

Finding the Fourth Proportional to 42,158.56, 58,178.40 and 23,295.28

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Solution

The fourth proportional to 42,158.56, 58,178.40 and 23,295.28 is: 32,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,158.56 : 58,178.40 = 23,295.28 : x
  2. Step 2: Convert to fraction form
    42,158.56/58,178.40 = 23,295.28/x
  3. Step 3: Cross multiply
    42,158.56x = 58,178.40 × 23,295.28
  4. Step 4: Simplify right side
    42,158.56x = 1,355,282,117.95
  5. Step 5: Solve for x
    x = 1,355,282,117.95/42,158.56
  6. Step 6: Final answer
    x = 32,147.26

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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.