Home / 56,446.16-77,896.58-30,954.84

Finding the Fourth Proportional to 56,446.16, 77,896.58 and 30,954.84

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Solution

The fourth proportional to 56,446.16, 77,896.58 and 30,954.84 is: 42,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,446.16 : 77,896.58 = 30,954.84 : x
  2. Step 2: Convert to fraction form
    56,446.16/77,896.58 = 30,954.84/x
  3. Step 3: Cross multiply
    56,446.16x = 77,896.58 × 30,954.84
  4. Step 4: Simplify right side
    56,446.16x = 2,411,276,015.67
  5. Step 5: Solve for x
    x = 2,411,276,015.67/56,446.16
  6. Step 6: Final answer
    x = 42,718.16

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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.