Home / 42,309.93-58,387.65-25,314.87

Finding the Fourth Proportional to 42,309.93, 58,387.65 and 25,314.87

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Solution

The fourth proportional to 42,309.93, 58,387.65 and 25,314.87 is: 34,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.93 : 58,387.65 = 25,314.87 : x
  2. Step 2: Convert to fraction form
    42,309.93/58,387.65 = 25,314.87/x
  3. Step 3: Cross multiply
    42,309.93x = 58,387.65 × 25,314.87
  4. Step 4: Simplify right side
    42,309.93x = 1,478,075,769.36
  5. Step 5: Solve for x
    x = 1,478,075,769.36/42,309.93
  6. Step 6: Final answer
    x = 34,934.49

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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.