Home / 47,425.77-65,478.08-30,437.34

Finding the Fourth Proportional to 47,425.77, 65,478.08 and 30,437.34

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Solution

The fourth proportional to 47,425.77, 65,478.08 and 30,437.34 is: 42,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.77 : 65,478.08 = 30,437.34 : x
  2. Step 2: Convert to fraction form
    47,425.77/65,478.08 = 30,437.34/x
  3. Step 3: Cross multiply
    47,425.77x = 65,478.08 × 30,437.34
  4. Step 4: Simplify right side
    47,425.77x = 1,992,978,328.45
  5. Step 5: Solve for x
    x = 1,992,978,328.45/47,425.77
  6. Step 6: Final answer
    x = 42,023.11

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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.