Home / 56,460.96-77,916.72-31,312.08

Finding the Fourth Proportional to 56,460.96, 77,916.72 and 31,312.08

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Solution

The fourth proportional to 56,460.96, 77,916.72 and 31,312.08 is: 43,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.96 : 77,916.72 = 31,312.08 : x
  2. Step 2: Convert to fraction form
    56,460.96/77,916.72 = 31,312.08/x
  3. Step 3: Cross multiply
    56,460.96x = 77,916.72 × 31,312.08
  4. Step 4: Simplify right side
    56,460.96x = 2,439,734,569.98
  5. Step 5: Solve for x
    x = 2,439,734,569.98/56,460.96
  6. Step 6: Final answer
    x = 43,211.00

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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.