Home / 42,887.40-64,335.48-14,803.80

Finding the Fourth Proportional to 42,887.40, 64,335.48 and 14,803.80

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Solution

The fourth proportional to 42,887.40, 64,335.48 and 14,803.80 is: 22,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887.40 : 64,335.48 = 14,803.80 : x
  2. Step 2: Convert to fraction form
    42,887.40/64,335.48 = 14,803.80/x
  3. Step 3: Cross multiply
    42,887.40x = 64,335.48 × 14,803.80
  4. Step 4: Simplify right side
    42,887.40x = 952,409,578.82
  5. Step 5: Solve for x
    x = 952,409,578.82/42,887.40
  6. Step 6: Final answer
    x = 22,207.21

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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.