Home / 31,570.86-47,340.45-10,503.47

Finding the Fourth Proportional to 31,570.86, 47,340.45 and 10,503.47

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Solution

The fourth proportional to 31,570.86, 47,340.45 and 10,503.47 is: 15,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.86 : 47,340.45 = 10,503.47 : x
  2. Step 2: Convert to fraction form
    31,570.86/47,340.45 = 10,503.47/x
  3. Step 3: Cross multiply
    31,570.86x = 47,340.45 × 10,503.47
  4. Step 4: Simplify right side
    31,570.86x = 497,239,114.71
  5. Step 5: Solve for x
    x = 497,239,114.71/31,570.86
  6. Step 6: Final answer
    x = 15,749.94

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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.