Home / 56,015.84-77,300.95-30,522.51

Finding the Fourth Proportional to 56,015.84, 77,300.95 and 30,522.51

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Solution

The fourth proportional to 56,015.84, 77,300.95 and 30,522.51 is: 42,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.84 : 77,300.95 = 30,522.51 : x
  2. Step 2: Convert to fraction form
    56,015.84/77,300.95 = 30,522.51/x
  3. Step 3: Cross multiply
    56,015.84x = 77,300.95 × 30,522.51
  4. Step 4: Simplify right side
    56,015.84x = 2,359,418,866.77
  5. Step 5: Solve for x
    x = 2,359,418,866.77/56,015.84
  6. Step 6: Final answer
    x = 42,120.57

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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.