Home / 59,436.90-89,159.40-18,907.20

Finding the Fourth Proportional to 59,436.90, 89,159.40 and 18,907.20

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Solution

The fourth proportional to 59,436.90, 89,159.40 and 18,907.20 is: 28,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,436.90 : 89,159.40 = 18,907.20 : x
  2. Step 2: Convert to fraction form
    59,436.90/89,159.40 = 18,907.20/x
  3. Step 3: Cross multiply
    59,436.90x = 89,159.40 × 18,907.20
  4. Step 4: Simplify right side
    59,436.90x = 1,685,754,607.68
  5. Step 5: Solve for x
    x = 1,685,754,607.68/59,436.90
  6. Step 6: Final answer
    x = 28,362.09

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1.5x scale

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.