Home / 55,018.16-82,476.28-19,948.40

Finding the Fourth Proportional to 55,018.16, 82,476.28 and 19,948.40

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Solution

The fourth proportional to 55,018.16, 82,476.28 and 19,948.40 is: 29,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,018.16 : 82,476.28 = 19,948.40 : x
  2. Step 2: Convert to fraction form
    55,018.16/82,476.28 = 19,948.40/x
  3. Step 3: Cross multiply
    55,018.16x = 82,476.28 × 19,948.40
  4. Step 4: Simplify right side
    55,018.16x = 1,645,269,823.95
  5. Step 5: Solve for x
    x = 1,645,269,823.95/55,018.16
  6. Step 6: Final answer
    x = 29,904.12

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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.