Home / 34,395.12-47,453.76-19,285.20

Finding the Fourth Proportional to 34,395.12, 47,453.76 and 19,285.20

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Solution

The fourth proportional to 34,395.12, 47,453.76 and 19,285.20 is: 26,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.12 : 47,453.76 = 19,285.20 : x
  2. Step 2: Convert to fraction form
    34,395.12/47,453.76 = 19,285.20/x
  3. Step 3: Cross multiply
    34,395.12x = 47,453.76 × 19,285.20
  4. Step 4: Simplify right side
    34,395.12x = 915,155,252.35
  5. Step 5: Solve for x
    x = 915,155,252.35/34,395.12
  6. Step 6: Final answer
    x = 26,607.12

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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.