Home / 40,896.80-61,345.20-40,637.60

Finding the Fourth Proportional to 40,896.80, 61,345.20 and 40,637.60

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Solution

The fourth proportional to 40,896.80, 61,345.20 and 40,637.60 is: 60,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.80 : 61,345.20 = 40,637.60 : x
  2. Step 2: Convert to fraction form
    40,896.80/61,345.20 = 40,637.60/x
  3. Step 3: Cross multiply
    40,896.80x = 61,345.20 × 40,637.60
  4. Step 4: Simplify right side
    40,896.80x = 2,492,921,699.52
  5. Step 5: Solve for x
    x = 2,492,921,699.52/40,896.80
  6. Step 6: Final answer
    x = 60,956.40

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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.