Home / 47,406.72-65,420.16-26,184.32

Finding the Fourth Proportional to 47,406.72, 65,420.16 and 26,184.32

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Solution

The fourth proportional to 47,406.72, 65,420.16 and 26,184.32 is: 36,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,406.72 : 65,420.16 = 26,184.32 : x
  2. Step 2: Convert to fraction form
    47,406.72/65,420.16 = 26,184.32/x
  3. Step 3: Cross multiply
    47,406.72x = 65,420.16 × 26,184.32
  4. Step 4: Simplify right side
    47,406.72x = 1,712,982,403.89
  5. Step 5: Solve for x
    x = 1,712,982,403.89/47,406.72
  6. Step 6: Final answer
    x = 36,133.75

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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.