Home / 30,656.62-42,325.50-20,064.16

Finding the Fourth Proportional to 30,656.62, 42,325.50 and 20,064.16

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Solution

The fourth proportional to 30,656.62, 42,325.50 and 20,064.16 is: 27,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.62 : 42,325.50 = 20,064.16 : x
  2. Step 2: Convert to fraction form
    30,656.62/42,325.50 = 20,064.16/x
  3. Step 3: Cross multiply
    30,656.62x = 42,325.50 × 20,064.16
  4. Step 4: Simplify right side
    30,656.62x = 849,225,604.08
  5. Step 5: Solve for x
    x = 849,225,604.08/30,656.62
  6. Step 6: Final answer
    x = 27,701.21

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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.