Home / 56,260.02-77,636.29-30,765.70

Finding the Fourth Proportional to 56,260.02, 77,636.29 and 30,765.70

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Solution

The fourth proportional to 56,260.02, 77,636.29 and 30,765.70 is: 42,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,260.02 : 77,636.29 = 30,765.70 : x
  2. Step 2: Convert to fraction form
    56,260.02/77,636.29 = 30,765.70/x
  3. Step 3: Cross multiply
    56,260.02x = 77,636.29 × 30,765.70
  4. Step 4: Simplify right side
    56,260.02x = 2,388,534,807.25
  5. Step 5: Solve for x
    x = 2,388,534,807.25/56,260.02
  6. Step 6: Final answer
    x = 42,455.28

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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.