Home / 51,006.91-70,396.10-28,655.23

Finding the Fourth Proportional to 51,006.91, 70,396.10 and 28,655.23

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Solution

The fourth proportional to 51,006.91, 70,396.10 and 28,655.23 is: 39,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,006.91 : 70,396.10 = 28,655.23 : x
  2. Step 2: Convert to fraction form
    51,006.91/70,396.10 = 28,655.23/x
  3. Step 3: Cross multiply
    51,006.91x = 70,396.10 × 28,655.23
  4. Step 4: Simplify right side
    51,006.91x = 2,017,216,224.79
  5. Step 5: Solve for x
    x = 2,017,216,224.79/51,006.91
  6. Step 6: Final answer
    x = 39,547.90

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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.