Home / 60,688.18-91,009.14-18,555.40

Finding the Fourth Proportional to 60,688.18, 91,009.14 and 18,555.40

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Solution

The fourth proportional to 60,688.18, 91,009.14 and 18,555.40 is: 27,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,688.18 : 91,009.14 = 18,555.40 : x
  2. Step 2: Convert to fraction form
    60,688.18/91,009.14 = 18,555.40/x
  3. Step 3: Cross multiply
    60,688.18x = 91,009.14 × 18,555.40
  4. Step 4: Simplify right side
    60,688.18x = 1,688,710,996.36
  5. Step 5: Solve for x
    x = 1,688,710,996.36/60,688.18
  6. Step 6: Final answer
    x = 27,826.03

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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.