Home / 47,431.32-65,455.20-26,210.40

Finding the Fourth Proportional to 47,431.32, 65,455.20 and 26,210.40

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Solution

The fourth proportional to 47,431.32, 65,455.20 and 26,210.40 is: 36,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.32 : 65,455.20 = 26,210.40 : x
  2. Step 2: Convert to fraction form
    47,431.32/65,455.20 = 26,210.40/x
  3. Step 3: Cross multiply
    47,431.32x = 65,455.20 × 26,210.40
  4. Step 4: Simplify right side
    47,431.32x = 1,715,606,974.08
  5. Step 5: Solve for x
    x = 1,715,606,974.08/47,431.32
  6. Step 6: Final answer
    x = 36,170.34

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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.