Home / 56,636.55-78,158.84-31,486.23

Finding the Fourth Proportional to 56,636.55, 78,158.84 and 31,486.23

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Solution

The fourth proportional to 56,636.55, 78,158.84 and 31,486.23 is: 43,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636.55 : 78,158.84 = 31,486.23 : x
  2. Step 2: Convert to fraction form
    56,636.55/78,158.84 = 31,486.23/x
  3. Step 3: Cross multiply
    56,636.55x = 78,158.84 × 31,486.23
  4. Step 4: Simplify right side
    56,636.55x = 2,460,927,055.34
  5. Step 5: Solve for x
    x = 2,460,927,055.34/56,636.55
  6. Step 6: Final answer
    x = 43,451.22

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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.