Home / 34,363.81-47,423.87-19,255.60

Finding the Fourth Proportional to 34,363.81, 47,423.87 and 19,255.60

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Solution

The fourth proportional to 34,363.81, 47,423.87 and 19,255.60 is: 26,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.81 : 47,423.87 = 19,255.60 : x
  2. Step 2: Convert to fraction form
    34,363.81/47,423.87 = 19,255.60/x
  3. Step 3: Cross multiply
    34,363.81x = 47,423.87 × 19,255.60
  4. Step 4: Simplify right side
    34,363.81x = 913,175,071.17
  5. Step 5: Solve for x
    x = 913,175,071.17/34,363.81
  6. Step 6: Final answer
    x = 26,573.74

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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.