Home / 31,132.08-46,706.28-10,355.76

Finding the Fourth Proportional to 31,132.08, 46,706.28 and 10,355.76

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Solution

The fourth proportional to 31,132.08, 46,706.28 and 10,355.76 is: 15,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.08 : 46,706.28 = 10,355.76 : x
  2. Step 2: Convert to fraction form
    31,132.08/46,706.28 = 10,355.76/x
  3. Step 3: Cross multiply
    31,132.08x = 46,706.28 × 10,355.76
  4. Step 4: Simplify right side
    31,132.08x = 483,679,026.17
  5. Step 5: Solve for x
    x = 483,679,026.17/31,132.08
  6. Step 6: Final answer
    x = 15,536.35

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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.