Home / 39,655.56-59,483.44-13,378.74

Finding the Fourth Proportional to 39,655.56, 59,483.44 and 13,378.74

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Solution

The fourth proportional to 39,655.56, 59,483.44 and 13,378.74 is: 20,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.56 : 59,483.44 = 13,378.74 : x
  2. Step 2: Convert to fraction form
    39,655.56/59,483.44 = 13,378.74/x
  3. Step 3: Cross multiply
    39,655.56x = 59,483.44 × 13,378.74
  4. Step 4: Simplify right side
    39,655.56x = 795,813,478.07
  5. Step 5: Solve for x
    x = 795,813,478.07/39,655.56
  6. Step 6: Final answer
    x = 20,068.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.