Home / 65,492.16-90,390.04-38,641.24

Finding the Fourth Proportional to 65,492.16, 90,390.04 and 38,641.24

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Solution

The fourth proportional to 65,492.16, 90,390.04 and 38,641.24 is: 53,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.16 : 90,390.04 = 38,641.24 : x
  2. Step 2: Convert to fraction form
    65,492.16/90,390.04 = 38,641.24/x
  3. Step 3: Cross multiply
    65,492.16x = 90,390.04 × 38,641.24
  4. Step 4: Simplify right side
    65,492.16x = 3,492,783,229.25
  5. Step 5: Solve for x
    x = 3,492,783,229.25/65,492.16
  6. Step 6: Final answer
    x = 53,331.32

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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.