Home / 65,659.16-90,599.10-37,365.32

Finding the Fourth Proportional to 65,659.16, 90,599.10 and 37,365.32

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Solution

The fourth proportional to 65,659.16, 90,599.10 and 37,365.32 is: 51,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,659.16 : 90,599.10 = 37,365.32 : x
  2. Step 2: Convert to fraction form
    65,659.16/90,599.10 = 37,365.32/x
  3. Step 3: Cross multiply
    65,659.16x = 90,599.10 × 37,365.32
  4. Step 4: Simplify right side
    65,659.16x = 3,385,264,363.21
  5. Step 5: Solve for x
    x = 3,385,264,363.21/65,659.16
  6. Step 6: Final answer
    x = 51,558.14

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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.