Home / 56,549.34-78,041.70-31,398.84

Finding the Fourth Proportional to 56,549.34, 78,041.70 and 31,398.84

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Solution

The fourth proportional to 56,549.34, 78,041.70 and 31,398.84 is: 43,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,549.34 : 78,041.70 = 31,398.84 : x
  2. Step 2: Convert to fraction form
    56,549.34/78,041.70 = 31,398.84/x
  3. Step 3: Cross multiply
    56,549.34x = 78,041.70 × 31,398.84
  4. Step 4: Simplify right side
    56,549.34x = 2,450,418,851.63
  5. Step 5: Solve for x
    x = 2,450,418,851.63/56,549.34
  6. Step 6: Final answer
    x = 43,332.40

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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.