Home / 66,719.43-92,071.99-38,038.17

Finding the Fourth Proportional to 66,719.43, 92,071.99 and 38,038.17

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Solution

The fourth proportional to 66,719.43, 92,071.99 and 38,038.17 is: 52,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,719.43 : 92,071.99 = 38,038.17 : x
  2. Step 2: Convert to fraction form
    66,719.43/92,071.99 = 38,038.17/x
  3. Step 3: Cross multiply
    66,719.43x = 92,071.99 × 38,038.17
  4. Step 4: Simplify right side
    66,719.43x = 3,502,250,400.68
  5. Step 5: Solve for x
    x = 3,502,250,400.68/66,719.43
  6. Step 6: Final answer
    x = 52,492.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.