Home / 56,228.95-77,620.93-42,800.77

Finding the Fourth Proportional to 56,228.95, 77,620.93 and 42,800.77

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Solution

The fourth proportional to 56,228.95, 77,620.93 and 42,800.77 is: 59,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.95 : 77,620.93 = 42,800.77 : x
  2. Step 2: Convert to fraction form
    56,228.95/77,620.93 = 42,800.77/x
  3. Step 3: Cross multiply
    56,228.95x = 77,620.93 × 42,800.77
  4. Step 4: Simplify right side
    56,228.95x = 3,322,235,802.89
  5. Step 5: Solve for x
    x = 3,322,235,802.89/56,228.95
  6. Step 6: Final answer
    x = 59,084.08

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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.