Home / 42,700.23-58,909.48-26,778.87

Finding the Fourth Proportional to 42,700.23, 58,909.48 and 26,778.87

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Solution

The fourth proportional to 42,700.23, 58,909.48 and 26,778.87 is: 36,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,700.23 : 58,909.48 = 26,778.87 : x
  2. Step 2: Convert to fraction form
    42,700.23/58,909.48 = 26,778.87/x
  3. Step 3: Cross multiply
    42,700.23x = 58,909.48 × 26,778.87
  4. Step 4: Simplify right side
    42,700.23x = 1,577,529,239.74
  5. Step 5: Solve for x
    x = 1,577,529,239.74/42,700.23
  6. Step 6: Final answer
    x = 36,944.28

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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.