Home / 39,291.80-58,937.70-9,709.40

Finding the Fourth Proportional to 39,291.80, 58,937.70 and 9,709.40

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Solution

The fourth proportional to 39,291.80, 58,937.70 and 9,709.40 is: 14,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.80 : 58,937.70 = 9,709.40 : x
  2. Step 2: Convert to fraction form
    39,291.80/58,937.70 = 9,709.40/x
  3. Step 3: Cross multiply
    39,291.80x = 58,937.70 × 9,709.40
  4. Step 4: Simplify right side
    39,291.80x = 572,249,704.38
  5. Step 5: Solve for x
    x = 572,249,704.38/39,291.80
  6. Step 6: Final answer
    x = 14,564.10

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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.