Home / 51,048.12-76,572.16-15,990.50

Finding the Fourth Proportional to 51,048.12, 76,572.16 and 15,990.50

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Solution

The fourth proportional to 51,048.12, 76,572.16 and 15,990.50 is: 23,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.12 : 76,572.16 = 15,990.50 : x
  2. Step 2: Convert to fraction form
    51,048.12/76,572.16 = 15,990.50/x
  3. Step 3: Cross multiply
    51,048.12x = 76,572.16 × 15,990.50
  4. Step 4: Simplify right side
    51,048.12x = 1,224,427,124.48
  5. Step 5: Solve for x
    x = 1,224,427,124.48/51,048.12
  6. Step 6: Final answer
    x = 23,985.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.