Home / 34,613.86-47,767.13-18,698.31

Finding the Fourth Proportional to 34,613.86, 47,767.13 and 18,698.31

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Solution

The fourth proportional to 34,613.86, 47,767.13 and 18,698.31 is: 25,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,613.86 : 47,767.13 = 18,698.31 : x
  2. Step 2: Convert to fraction form
    34,613.86/47,767.13 = 18,698.31/x
  3. Step 3: Cross multiply
    34,613.86x = 47,767.13 × 18,698.31
  4. Step 4: Simplify right side
    34,613.86x = 893,164,528.59
  5. Step 5: Solve for x
    x = 893,164,528.59/34,613.86
  6. Step 6: Final answer
    x = 25,803.67

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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.