Home / 40,085.08-60,131.06-10,502.90

Finding the Fourth Proportional to 40,085.08, 60,131.06 and 10,502.90

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Solution

The fourth proportional to 40,085.08, 60,131.06 and 10,502.90 is: 15,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.08 : 60,131.06 = 10,502.90 : x
  2. Step 2: Convert to fraction form
    40,085.08/60,131.06 = 10,502.90/x
  3. Step 3: Cross multiply
    40,085.08x = 60,131.06 × 10,502.90
  4. Step 4: Simplify right side
    40,085.08x = 631,550,510.07
  5. Step 5: Solve for x
    x = 631,550,510.07/40,085.08
  6. Step 6: Final answer
    x = 15,755.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.