Home / 56,007.90-77,292.78-30,516.29

Finding the Fourth Proportional to 56,007.90, 77,292.78 and 30,516.29

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Solution

The fourth proportional to 56,007.90, 77,292.78 and 30,516.29 is: 42,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,007.90 : 77,292.78 = 30,516.29 : x
  2. Step 2: Convert to fraction form
    56,007.90/77,292.78 = 30,516.29/x
  3. Step 3: Cross multiply
    56,007.90x = 77,292.78 × 30,516.29
  4. Step 4: Simplify right side
    56,007.90x = 2,358,688,889.39
  5. Step 5: Solve for x
    x = 2,358,688,889.39/56,007.90
  6. Step 6: Final answer
    x = 42,113.50

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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.