Home / 34,666.15-47,839.16-18,750.60

Finding the Fourth Proportional to 34,666.15, 47,839.16 and 18,750.60

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Solution

The fourth proportional to 34,666.15, 47,839.16 and 18,750.60 is: 25,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,666.15 : 47,839.16 = 18,750.60 : x
  2. Step 2: Convert to fraction form
    34,666.15/47,839.16 = 18,750.60/x
  3. Step 3: Cross multiply
    34,666.15x = 47,839.16 × 18,750.60
  4. Step 4: Simplify right side
    34,666.15x = 897,012,953.50
  5. Step 5: Solve for x
    x = 897,012,953.50/34,666.15
  6. Step 6: Final answer
    x = 25,875.76

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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.