Home / 53,931.18-74,425.40-30,059.39

Finding the Fourth Proportional to 53,931.18, 74,425.40 and 30,059.39

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Solution

The fourth proportional to 53,931.18, 74,425.40 and 30,059.39 is: 41,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.18 : 74,425.40 = 30,059.39 : x
  2. Step 2: Convert to fraction form
    53,931.18/74,425.40 = 30,059.39/x
  3. Step 3: Cross multiply
    53,931.18x = 74,425.40 × 30,059.39
  4. Step 4: Simplify right side
    53,931.18x = 2,237,182,124.51
  5. Step 5: Solve for x
    x = 2,237,182,124.51/53,931.18
  6. Step 6: Final answer
    x = 41,482.17

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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.