Home / 47,089.63-65,000.74-31,179.20

Finding the Fourth Proportional to 47,089.63, 65,000.74 and 31,179.20

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Solution

The fourth proportional to 47,089.63, 65,000.74 and 31,179.20 is: 43,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.63 : 65,000.74 = 31,179.20 : x
  2. Step 2: Convert to fraction form
    47,089.63/65,000.74 = 31,179.20/x
  3. Step 3: Cross multiply
    47,089.63x = 65,000.74 × 31,179.20
  4. Step 4: Simplify right side
    47,089.63x = 2,026,671,157.16
  5. Step 5: Solve for x
    x = 2,026,671,157.16/47,089.63
  6. Step 6: Final answer
    x = 43,038.59

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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.