Home / 47,043.24-64,929.74-28,191.30

Finding the Fourth Proportional to 47,043.24, 64,929.74 and 28,191.30

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Solution

The fourth proportional to 47,043.24, 64,929.74 and 28,191.30 is: 38,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,043.24 : 64,929.74 = 28,191.30 : x
  2. Step 2: Convert to fraction form
    47,043.24/64,929.74 = 28,191.30/x
  3. Step 3: Cross multiply
    47,043.24x = 64,929.74 × 28,191.30
  4. Step 4: Simplify right side
    47,043.24x = 1,830,453,638.31
  5. Step 5: Solve for x
    x = 1,830,453,638.31/47,043.24
  6. Step 6: Final answer
    x = 38,910.02

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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.