Home / 42,885.80-64,336.30-14,803.64

Finding the Fourth Proportional to 42,885.80, 64,336.30 and 14,803.64

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Solution

The fourth proportional to 42,885.80, 64,336.30 and 14,803.64 is: 22,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,885.80 : 64,336.30 = 14,803.64 : x
  2. Step 2: Convert to fraction form
    42,885.80/64,336.30 = 14,803.64/x
  3. Step 3: Cross multiply
    42,885.80x = 64,336.30 × 14,803.64
  4. Step 4: Simplify right side
    42,885.80x = 952,411,424.13
  5. Step 5: Solve for x
    x = 952,411,424.13/42,885.80
  6. Step 6: Final answer
    x = 22,208.08

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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.