Home / 39,000.99-58,501.49-9,418.80

Finding the Fourth Proportional to 39,000.99, 58,501.49 and 9,418.80

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Solution

The fourth proportional to 39,000.99, 58,501.49 and 9,418.80 is: 14,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.99 : 58,501.49 = 9,418.80 : x
  2. Step 2: Convert to fraction form
    39,000.99/58,501.49 = 9,418.80/x
  3. Step 3: Cross multiply
    39,000.99x = 58,501.49 × 9,418.80
  4. Step 4: Simplify right side
    39,000.99x = 551,013,834.01
  5. Step 5: Solve for x
    x = 551,013,834.01/39,000.99
  6. Step 6: Final answer
    x = 14,128.20

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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.