Home / 42,363.95-58,437.96-26,420.72

Finding the Fourth Proportional to 42,363.95, 58,437.96 and 26,420.72

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Solution

The fourth proportional to 42,363.95, 58,437.96 and 26,420.72 is: 36,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,363.95 : 58,437.96 = 26,420.72 : x
  2. Step 2: Convert to fraction form
    42,363.95/58,437.96 = 26,420.72/x
  3. Step 3: Cross multiply
    42,363.95x = 58,437.96 × 26,420.72
  4. Step 4: Simplify right side
    42,363.95x = 1,543,972,587.26
  5. Step 5: Solve for x
    x = 1,543,972,587.26/42,363.95
  6. Step 6: Final answer
    x = 36,445.44

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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.