Home / 54,848.64-82,088.64-31,440

Finding the Fourth Proportional to 54,848.64, 82,088.64 and 31,440

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Solution

The fourth proportional to 54,848.64, 82,088.64 and 31,440 is: 47,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848.64 : 82,088.64 = 31,440 : x
  2. Step 2: Convert to fraction form
    54,848.64/82,088.64 = 31,440/x
  3. Step 3: Cross multiply
    54,848.64x = 82,088.64 × 31,440
  4. Step 4: Simplify right side
    54,848.64x = 2,580,866,841.60
  5. Step 5: Solve for x
    x = 2,580,866,841.60/54,848.64
  6. Step 6: Final answer
    x = 47,054.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.