Home / 45,307.57-62,451.75-30,767.19

Finding the Fourth Proportional to 45,307.57, 62,451.75 and 30,767.19

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Solution

The fourth proportional to 45,307.57, 62,451.75 and 30,767.19 is: 42,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,307.57 : 62,451.75 = 30,767.19 : x
  2. Step 2: Convert to fraction form
    45,307.57/62,451.75 = 30,767.19/x
  3. Step 3: Cross multiply
    45,307.57x = 62,451.75 × 30,767.19
  4. Step 4: Simplify right side
    45,307.57x = 1,921,464,858.08
  5. Step 5: Solve for x
    x = 1,921,464,858.08/45,307.57
  6. Step 6: Final answer
    x = 42,409.36

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Double scale
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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.