Home / 56,986.58-78,641.27-31,492.23

Finding the Fourth Proportional to 56,986.58, 78,641.27 and 31,492.23

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Solution

The fourth proportional to 56,986.58, 78,641.27 and 31,492.23 is: 43,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986.58 : 78,641.27 = 31,492.23 : x
  2. Step 2: Convert to fraction form
    56,986.58/78,641.27 = 31,492.23/x
  3. Step 3: Cross multiply
    56,986.58x = 78,641.27 × 31,492.23
  4. Step 4: Simplify right side
    56,986.58x = 2,476,588,804.87
  5. Step 5: Solve for x
    x = 2,476,588,804.87/56,986.58
  6. Step 6: Final answer
    x = 43,459.16

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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.