Home / 60,639.03-90,925.74-20,646.09

Finding the Fourth Proportional to 60,639.03, 90,925.74 and 20,646.09

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Solution

The fourth proportional to 60,639.03, 90,925.74 and 20,646.09 is: 30,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639.03 : 90,925.74 = 20,646.09 : x
  2. Step 2: Convert to fraction form
    60,639.03/90,925.74 = 20,646.09/x
  3. Step 3: Cross multiply
    60,639.03x = 90,925.74 × 20,646.09
  4. Step 4: Simplify right side
    60,639.03x = 1,877,261,011.36
  5. Step 5: Solve for x
    x = 1,877,261,011.36/60,639.03
  6. Step 6: Final answer
    x = 30,957.97

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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.