Home / 56,825.53-78,428.47-34,187.40

Finding the Fourth Proportional to 56,825.53, 78,428.47 and 34,187.40

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Solution

The fourth proportional to 56,825.53, 78,428.47 and 34,187.40 is: 47,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,825.53 : 78,428.47 = 34,187.40 : x
  2. Step 2: Convert to fraction form
    56,825.53/78,428.47 = 34,187.40/x
  3. Step 3: Cross multiply
    56,825.53x = 78,428.47 × 34,187.40
  4. Step 4: Simplify right side
    56,825.53x = 2,681,265,389.81
  5. Step 5: Solve for x
    x = 2,681,265,389.81/56,825.53
  6. Step 6: Final answer
    x = 47,184.17

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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.