Home / 56,041.46-77,336.70-30,547.82

Finding the Fourth Proportional to 56,041.46, 77,336.70 and 30,547.82

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Solution

The fourth proportional to 56,041.46, 77,336.70 and 30,547.82 is: 42,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,041.46 : 77,336.70 = 30,547.82 : x
  2. Step 2: Convert to fraction form
    56,041.46/77,336.70 = 30,547.82/x
  3. Step 3: Cross multiply
    56,041.46x = 77,336.70 × 30,547.82
  4. Step 4: Simplify right side
    56,041.46x = 2,362,467,590.99
  5. Step 5: Solve for x
    x = 2,362,467,590.99/56,041.46
  6. Step 6: Final answer
    x = 42,155.71

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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.