Home / 47,011.50-64,873.71-28,159.02

Finding the Fourth Proportional to 47,011.50, 64,873.71 and 28,159.02

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Solution

The fourth proportional to 47,011.50, 64,873.71 and 28,159.02 is: 38,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.50 : 64,873.71 = 28,159.02 : x
  2. Step 2: Convert to fraction form
    47,011.50/64,873.71 = 28,159.02/x
  3. Step 3: Cross multiply
    47,011.50x = 64,873.71 × 28,159.02
  4. Step 4: Simplify right side
    47,011.50x = 1,826,780,097.36
  5. Step 5: Solve for x
    x = 1,826,780,097.36/47,011.50
  6. Step 6: Final answer
    x = 38,858.15

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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.