Home / 56,347.40-77,676.54-42,895.24

Finding the Fourth Proportional to 56,347.40, 77,676.54 and 42,895.24

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Solution

The fourth proportional to 56,347.40, 77,676.54 and 42,895.24 is: 59,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.40 : 77,676.54 = 42,895.24 : x
  2. Step 2: Convert to fraction form
    56,347.40/77,676.54 = 42,895.24/x
  3. Step 3: Cross multiply
    56,347.40x = 77,676.54 × 42,895.24
  4. Step 4: Simplify right side
    56,347.40x = 3,331,953,825.67
  5. Step 5: Solve for x
    x = 3,331,953,825.67/56,347.40
  6. Step 6: Final answer
    x = 59,132.34

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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.