Home / 53,116.32-79,665.57-15,675.69

Finding the Fourth Proportional to 53,116.32, 79,665.57 and 15,675.69

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Solution

The fourth proportional to 53,116.32, 79,665.57 and 15,675.69 is: 23,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.32 : 79,665.57 = 15,675.69 : x
  2. Step 2: Convert to fraction form
    53,116.32/79,665.57 = 15,675.69/x
  3. Step 3: Cross multiply
    53,116.32x = 79,665.57 × 15,675.69
  4. Step 4: Simplify right side
    53,116.32x = 1,248,812,778.99
  5. Step 5: Solve for x
    x = 1,248,812,778.99/53,116.32
  6. Step 6: Final answer
    x = 23,510.91

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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.