Home / 56,124.14-77,450.18-30,631.01

Finding the Fourth Proportional to 56,124.14, 77,450.18 and 30,631.01

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Solution

The fourth proportional to 56,124.14, 77,450.18 and 30,631.01 is: 42,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.14 : 77,450.18 = 30,631.01 : x
  2. Step 2: Convert to fraction form
    56,124.14/77,450.18 = 30,631.01/x
  3. Step 3: Cross multiply
    56,124.14x = 77,450.18 × 30,631.01
  4. Step 4: Simplify right side
    56,124.14x = 2,372,377,238.08
  5. Step 5: Solve for x
    x = 2,372,377,238.08/56,124.14
  6. Step 6: Final answer
    x = 42,270.18

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1.5x scale

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.