Home / 56,960.40-78,598.64-31,465.28

Finding the Fourth Proportional to 56,960.40, 78,598.64 and 31,465.28

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Solution

The fourth proportional to 56,960.40, 78,598.64 and 31,465.28 is: 43,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,960.40 : 78,598.64 = 31,465.28 : x
  2. Step 2: Convert to fraction form
    56,960.40/78,598.64 = 31,465.28/x
  3. Step 3: Cross multiply
    56,960.40x = 78,598.64 × 31,465.28
  4. Step 4: Simplify right side
    56,960.40x = 2,473,128,215.22
  5. Step 5: Solve for x
    x = 2,473,128,215.22/56,960.40
  6. Step 6: Final answer
    x = 43,418.38

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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.