Home / 45,030.78-62,095.73-38,678.25

Finding the Fourth Proportional to 45,030.78, 62,095.73 and 38,678.25

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Solution

The fourth proportional to 45,030.78, 62,095.73 and 38,678.25 is: 53,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,030.78 : 62,095.73 = 38,678.25 : x
  2. Step 2: Convert to fraction form
    45,030.78/62,095.73 = 38,678.25/x
  3. Step 3: Cross multiply
    45,030.78x = 62,095.73 × 38,678.25
  4. Step 4: Simplify right side
    45,030.78x = 2,401,754,265.57
  5. Step 5: Solve for x
    x = 2,401,754,265.57/45,030.78
  6. Step 6: Final answer
    x = 53,335.84

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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.