Home / 39,045.16-58,580.70-12,750.76

Finding the Fourth Proportional to 39,045.16, 58,580.70 and 12,750.76

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Solution

The fourth proportional to 39,045.16, 58,580.70 and 12,750.76 is: 19,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.16 : 58,580.70 = 12,750.76 : x
  2. Step 2: Convert to fraction form
    39,045.16/58,580.70 = 12,750.76/x
  3. Step 3: Cross multiply
    39,045.16x = 58,580.70 × 12,750.76
  4. Step 4: Simplify right side
    39,045.16x = 746,948,446.33
  5. Step 5: Solve for x
    x = 746,948,446.33/39,045.16
  6. Step 6: Final answer
    x = 19,130.37

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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.