Home / 46,656.12-64,386-25,435.20

Finding the Fourth Proportional to 46,656.12, 64,386 and 25,435.20

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Solution

The fourth proportional to 46,656.12, 64,386 and 25,435.20 is: 35,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656.12 : 64,386 = 25,435.20 : x
  2. Step 2: Convert to fraction form
    46,656.12/64,386 = 25,435.20/x
  3. Step 3: Cross multiply
    46,656.12x = 64,386 × 25,435.20
  4. Step 4: Simplify right side
    46,656.12x = 1,637,670,787.20
  5. Step 5: Solve for x
    x = 1,637,670,787.20/46,656.12
  6. Step 6: Final answer
    x = 35,100.88

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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.