Home / 34,587.02-47,729.58-19,479.71

Finding the Fourth Proportional to 34,587.02, 47,729.58 and 19,479.71

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Solution

The fourth proportional to 34,587.02, 47,729.58 and 19,479.71 is: 26,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,587.02 : 47,729.58 = 19,479.71 : x
  2. Step 2: Convert to fraction form
    34,587.02/47,729.58 = 19,479.71/x
  3. Step 3: Cross multiply
    34,587.02x = 47,729.58 × 19,479.71
  4. Step 4: Simplify right side
    34,587.02x = 929,758,376.82
  5. Step 5: Solve for x
    x = 929,758,376.82/34,587.02
  6. Step 6: Final answer
    x = 26,881.71

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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.