Home / 89,018.96-133,528.10-36,428.45

Finding the Fourth Proportional to 89,018.96, 133,528.10 and 36,428.45

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Solution

The fourth proportional to 89,018.96, 133,528.10 and 36,428.45 is: 54,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,018.96 : 133,528.10 = 36,428.45 : x
  2. Step 2: Convert to fraction form
    89,018.96/133,528.10 = 36,428.45/x
  3. Step 3: Cross multiply
    89,018.96x = 133,528.10 × 36,428.45
  4. Step 4: Simplify right side
    89,018.96x = 4,864,220,864.66
  5. Step 5: Solve for x
    x = 4,864,220,864.66/89,018.96
  6. Step 6: Final answer
    x = 54,642.53

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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.