Home / 35,190.68-48,563.52-20,085.40

Finding the Fourth Proportional to 35,190.68, 48,563.52 and 20,085.40

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Solution

The fourth proportional to 35,190.68, 48,563.52 and 20,085.40 is: 27,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.68 : 48,563.52 = 20,085.40 : x
  2. Step 2: Convert to fraction form
    35,190.68/48,563.52 = 20,085.40/x
  3. Step 3: Cross multiply
    35,190.68x = 48,563.52 × 20,085.40
  4. Step 4: Simplify right side
    35,190.68x = 975,417,724.61
  5. Step 5: Solve for x
    x = 975,417,724.61/35,190.68
  6. Step 6: Final answer
    x = 27,718.07

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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.