Home / 39,316.55-58,689.80-36,389.75

Finding the Fourth Proportional to 39,316.55, 58,689.80 and 36,389.75

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Solution

The fourth proportional to 39,316.55, 58,689.80 and 36,389.75 is: 54,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.55 : 58,689.80 = 36,389.75 : x
  2. Step 2: Convert to fraction form
    39,316.55/58,689.80 = 36,389.75/x
  3. Step 3: Cross multiply
    39,316.55x = 58,689.80 × 36,389.75
  4. Step 4: Simplify right side
    39,316.55x = 2,135,706,810.61
  5. Step 5: Solve for x
    x = 2,135,706,810.61/39,316.55
  6. Step 6: Final answer
    x = 54,320.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.