Home / 47,465.19-65,441.10-30,438.48

Finding the Fourth Proportional to 47,465.19, 65,441.10 and 30,438.48

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Solution

The fourth proportional to 47,465.19, 65,441.10 and 30,438.48 is: 41,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,465.19 : 65,441.10 = 30,438.48 : x
  2. Step 2: Convert to fraction form
    47,465.19/65,441.10 = 30,438.48/x
  3. Step 3: Cross multiply
    47,465.19x = 65,441.10 × 30,438.48
  4. Step 4: Simplify right side
    47,465.19x = 1,991,927,613.53
  5. Step 5: Solve for x
    x = 1,991,927,613.53/47,465.19
  6. Step 6: Final answer
    x = 41,966.07

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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.