Home / 77,018.21-115,526.40-24,428.15

Finding the Fourth Proportional to 77,018.21, 115,526.40 and 24,428.15

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Solution

The fourth proportional to 77,018.21, 115,526.40 and 24,428.15 is: 36,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.21 : 115,526.40 = 24,428.15 : x
  2. Step 2: Convert to fraction form
    77,018.21/115,526.40 = 24,428.15/x
  3. Step 3: Cross multiply
    77,018.21x = 115,526.40 × 24,428.15
  4. Step 4: Simplify right side
    77,018.21x = 2,822,096,228.16
  5. Step 5: Solve for x
    x = 2,822,096,228.16/77,018.21
  6. Step 6: Final answer
    x = 36,641.93

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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.