Home / 31,878.04-47,800.54-14,332.88

Finding the Fourth Proportional to 31,878.04, 47,800.54 and 14,332.88

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Solution

The fourth proportional to 31,878.04, 47,800.54 and 14,332.88 is: 21,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,878.04 : 47,800.54 = 14,332.88 : x
  2. Step 2: Convert to fraction form
    31,878.04/47,800.54 = 14,332.88/x
  3. Step 3: Cross multiply
    31,878.04x = 47,800.54 × 14,332.88
  4. Step 4: Simplify right side
    31,878.04x = 685,119,403.76
  5. Step 5: Solve for x
    x = 685,119,403.76/31,878.04
  6. Step 6: Final answer
    x = 21,491.89

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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.