Home / 46,864.20-64,672.29-25,643.40

Finding the Fourth Proportional to 46,864.20, 64,672.29 and 25,643.40

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Solution

The fourth proportional to 46,864.20, 64,672.29 and 25,643.40 is: 35,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,864.20 : 64,672.29 = 25,643.40 : x
  2. Step 2: Convert to fraction form
    46,864.20/64,672.29 = 25,643.40/x
  3. Step 3: Cross multiply
    46,864.20x = 64,672.29 × 25,643.40
  4. Step 4: Simplify right side
    46,864.20x = 1,658,417,401.39
  5. Step 5: Solve for x
    x = 1,658,417,401.39/46,864.20
  6. Step 6: Final answer
    x = 35,387.72

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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.