Home / 39,065.75-58,598.64-10,988.79

Finding the Fourth Proportional to 39,065.75, 58,598.64 and 10,988.79

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Solution

The fourth proportional to 39,065.75, 58,598.64 and 10,988.79 is: 16,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.75 : 58,598.64 = 10,988.79 : x
  2. Step 2: Convert to fraction form
    39,065.75/58,598.64 = 10,988.79/x
  3. Step 3: Cross multiply
    39,065.75x = 58,598.64 × 10,988.79
  4. Step 4: Simplify right side
    39,065.75x = 643,928,149.25
  5. Step 5: Solve for x
    x = 643,928,149.25/39,065.75
  6. Step 6: Final answer
    x = 16,483.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.