Home / 45,307.58-62,451.74-30,767.20

Finding the Fourth Proportional to 45,307.58, 62,451.74 and 30,767.20

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Solution

The fourth proportional to 45,307.58, 62,451.74 and 30,767.20 is: 42,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,307.58 : 62,451.74 = 30,767.20 : x
  2. Step 2: Convert to fraction form
    45,307.58/62,451.74 = 30,767.20/x
  3. Step 3: Cross multiply
    45,307.58x = 62,451.74 × 30,767.20
  4. Step 4: Simplify right side
    45,307.58x = 1,921,465,174.93
  5. Step 5: Solve for x
    x = 1,921,465,174.93/45,307.58
  6. Step 6: Final answer
    x = 42,409.35

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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.