Home / 39,031.40-58,547.10-10,951.40

Finding the Fourth Proportional to 39,031.40, 58,547.10 and 10,951.40

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Solution

The fourth proportional to 39,031.40, 58,547.10 and 10,951.40 is: 16,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.40 : 58,547.10 = 10,951.40 : x
  2. Step 2: Convert to fraction form
    39,031.40/58,547.10 = 10,951.40/x
  3. Step 3: Cross multiply
    39,031.40x = 58,547.10 × 10,951.40
  4. Step 4: Simplify right side
    39,031.40x = 641,172,710.94
  5. Step 5: Solve for x
    x = 641,172,710.94/39,031.40
  6. Step 6: Final answer
    x = 16,427.10

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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.