Home / 39,000.67-58,509.74-12,348.25

Finding the Fourth Proportional to 39,000.67, 58,509.74 and 12,348.25

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Solution

The fourth proportional to 39,000.67, 58,509.74 and 12,348.25 is: 18,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.67 : 58,509.74 = 12,348.25 : x
  2. Step 2: Convert to fraction form
    39,000.67/58,509.74 = 12,348.25/x
  3. Step 3: Cross multiply
    39,000.67x = 58,509.74 × 12,348.25
  4. Step 4: Simplify right side
    39,000.67x = 722,492,781.55
  5. Step 5: Solve for x
    x = 722,492,781.55/39,000.67
  6. Step 6: Final answer
    x = 18,525.14

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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.