Home / 34,317.50-47,358.95-19,209.78

Finding the Fourth Proportional to 34,317.50, 47,358.95 and 19,209.78

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Solution

The fourth proportional to 34,317.50, 47,358.95 and 19,209.78 is: 26,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,317.50 : 47,358.95 = 19,209.78 : x
  2. Step 2: Convert to fraction form
    34,317.50/47,358.95 = 19,209.78/x
  3. Step 3: Cross multiply
    34,317.50x = 47,358.95 × 19,209.78
  4. Step 4: Simplify right side
    34,317.50x = 909,754,914.48
  5. Step 5: Solve for x
    x = 909,754,914.48/34,317.50
  6. Step 6: Final answer
    x = 26,509.95

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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.