Home / 65,851.87-90,875.57-35,637.18

Finding the Fourth Proportional to 65,851.87, 90,875.57 and 35,637.18

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Solution

The fourth proportional to 65,851.87, 90,875.57 and 35,637.18 is: 49,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851.87 : 90,875.57 = 35,637.18 : x
  2. Step 2: Convert to fraction form
    65,851.87/90,875.57 = 35,637.18/x
  3. Step 3: Cross multiply
    65,851.87x = 90,875.57 × 35,637.18
  4. Step 4: Simplify right side
    65,851.87x = 3,238,549,238.36
  5. Step 5: Solve for x
    x = 3,238,549,238.36/65,851.87
  6. Step 6: Final answer
    x = 49,179.31

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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.