Home / 34,237.76-47,248.20-19,130.99

Finding the Fourth Proportional to 34,237.76, 47,248.20 and 19,130.99

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Solution

The fourth proportional to 34,237.76, 47,248.20 and 19,130.99 is: 26,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.76 : 47,248.20 = 19,130.99 : x
  2. Step 2: Convert to fraction form
    34,237.76/47,248.20 = 19,130.99/x
  3. Step 3: Cross multiply
    34,237.76x = 47,248.20 × 19,130.99
  4. Step 4: Simplify right side
    34,237.76x = 903,904,605.48
  5. Step 5: Solve for x
    x = 903,904,605.48/34,237.76
  6. Step 6: Final answer
    x = 26,400.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.