Home / 65,266.17-90,065.57-38,410.26

Finding the Fourth Proportional to 65,266.17, 90,065.57 and 38,410.26

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Solution

The fourth proportional to 65,266.17, 90,065.57 and 38,410.26 is: 53,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,266.17 : 90,065.57 = 38,410.26 : x
  2. Step 2: Convert to fraction form
    65,266.17/90,065.57 = 38,410.26/x
  3. Step 3: Cross multiply
    65,266.17x = 90,065.57 × 38,410.26
  4. Step 4: Simplify right side
    65,266.17x = 3,459,441,768.70
  5. Step 5: Solve for x
    x = 3,459,441,768.70/65,266.17
  6. Step 6: Final answer
    x = 53,005.13

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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.