Home / 46,945.17-70,415.93-18,856.80

Finding the Fourth Proportional to 46,945.17, 70,415.93 and 18,856.80

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Solution

The fourth proportional to 46,945.17, 70,415.93 and 18,856.80 is: 28,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,945.17 : 70,415.93 = 18,856.80 : x
  2. Step 2: Convert to fraction form
    46,945.17/70,415.93 = 18,856.80/x
  3. Step 3: Cross multiply
    46,945.17x = 70,415.93 × 18,856.80
  4. Step 4: Simplify right side
    46,945.17x = 1,327,819,155.97
  5. Step 5: Solve for x
    x = 1,327,819,155.97/46,945.17
  6. Step 6: Final answer
    x = 28,284.47

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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.