Home / 31,311.19-46,966.14-7,618.86

Finding the Fourth Proportional to 31,311.19, 46,966.14 and 7,618.86

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Solution

The fourth proportional to 31,311.19, 46,966.14 and 7,618.86 is: 11,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.19 : 46,966.14 = 7,618.86 : x
  2. Step 2: Convert to fraction form
    31,311.19/46,966.14 = 7,618.86/x
  3. Step 3: Cross multiply
    31,311.19x = 46,966.14 × 7,618.86
  4. Step 4: Simplify right side
    31,311.19x = 357,828,445.40
  5. Step 5: Solve for x
    x = 357,828,445.40/31,311.19
  6. Step 6: Final answer
    x = 11,428.13

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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.