Home / 56,916.60-85,387.65-17,477.70

Finding the Fourth Proportional to 56,916.60, 85,387.65 and 17,477.70

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Solution

The fourth proportional to 56,916.60, 85,387.65 and 17,477.70 is: 26,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,916.60 : 85,387.65 = 17,477.70 : x
  2. Step 2: Convert to fraction form
    56,916.60/85,387.65 = 17,477.70/x
  3. Step 3: Cross multiply
    56,916.60x = 85,387.65 × 17,477.70
  4. Step 4: Simplify right side
    56,916.60x = 1,492,379,730.41
  5. Step 5: Solve for x
    x = 1,492,379,730.41/56,916.60
  6. Step 6: Final answer
    x = 26,220.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.