Home / 51,145.16-76,715.93-15,605.04

Finding the Fourth Proportional to 51,145.16, 76,715.93 and 15,605.04

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Solution

The fourth proportional to 51,145.16, 76,715.93 and 15,605.04 is: 23,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.16 : 76,715.93 = 15,605.04 : x
  2. Step 2: Convert to fraction form
    51,145.16/76,715.93 = 15,605.04/x
  3. Step 3: Cross multiply
    51,145.16x = 76,715.93 × 15,605.04
  4. Step 4: Simplify right side
    51,145.16x = 1,197,155,395.21
  5. Step 5: Solve for x
    x = 1,197,155,395.21/51,145.16
  6. Step 6: Final answer
    x = 23,407.01

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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.