Home / 31,730.13-47,595.80-10,666.28

Finding the Fourth Proportional to 31,730.13, 47,595.80 and 10,666.28

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Solution

The fourth proportional to 31,730.13, 47,595.80 and 10,666.28 is: 15,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.13 : 47,595.80 = 10,666.28 : x
  2. Step 2: Convert to fraction form
    31,730.13/47,595.80 = 10,666.28/x
  3. Step 3: Cross multiply
    31,730.13x = 47,595.80 × 10,666.28
  4. Step 4: Simplify right side
    31,730.13x = 507,670,275.28
  5. Step 5: Solve for x
    x = 507,670,275.28/31,730.13
  6. Step 6: Final answer
    x = 15,999.63

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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.