Home / 47,331.12-65,297.16-31,424.16

Finding the Fourth Proportional to 47,331.12, 65,297.16 and 31,424.16

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Solution

The fourth proportional to 47,331.12, 65,297.16 and 31,424.16 is: 43,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,331.12 : 65,297.16 = 31,424.16 : x
  2. Step 2: Convert to fraction form
    47,331.12/65,297.16 = 31,424.16/x
  3. Step 3: Cross multiply
    47,331.12x = 65,297.16 × 31,424.16
  4. Step 4: Simplify right side
    47,331.12x = 2,051,908,403.39
  5. Step 5: Solve for x
    x = 2,051,908,403.39/47,331.12
  6. Step 6: Final answer
    x = 43,352.20

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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.