Home / 56,039.09-77,333.45-30,545.46

Finding the Fourth Proportional to 56,039.09, 77,333.45 and 30,545.46

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Solution

The fourth proportional to 56,039.09, 77,333.45 and 30,545.46 is: 42,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,039.09 : 77,333.45 = 30,545.46 : x
  2. Step 2: Convert to fraction form
    56,039.09/77,333.45 = 30,545.46/x
  3. Step 3: Cross multiply
    56,039.09x = 77,333.45 × 30,545.46
  4. Step 4: Simplify right side
    56,039.09x = 2,362,185,803.64
  5. Step 5: Solve for x
    x = 2,362,185,803.64/56,039.09
  6. Step 6: Final answer
    x = 42,152.47

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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.