Home / 65,526.77-90,420.66-38,309.24

Finding the Fourth Proportional to 65,526.77, 90,420.66 and 38,309.24

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Solution

The fourth proportional to 65,526.77, 90,420.66 and 38,309.24 is: 52,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,526.77 : 90,420.66 = 38,309.24 : x
  2. Step 2: Convert to fraction form
    65,526.77/90,420.66 = 38,309.24/x
  3. Step 3: Cross multiply
    65,526.77x = 90,420.66 × 38,309.24
  4. Step 4: Simplify right side
    65,526.77x = 3,463,946,312.80
  5. Step 5: Solve for x
    x = 3,463,946,312.80/65,526.77
  6. Step 6: Final answer
    x = 52,863.08

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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.