Home / 42,968.36-64,461.04-13,384.93

Finding the Fourth Proportional to 42,968.36, 64,461.04 and 13,384.93

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Solution

The fourth proportional to 42,968.36, 64,461.04 and 13,384.93 is: 20,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968.36 : 64,461.04 = 13,384.93 : x
  2. Step 2: Convert to fraction form
    42,968.36/64,461.04 = 13,384.93/x
  3. Step 3: Cross multiply
    42,968.36x = 64,461.04 × 13,384.93
  4. Step 4: Simplify right side
    42,968.36x = 862,806,508.13
  5. Step 5: Solve for x
    x = 862,806,508.13/42,968.36
  6. Step 6: Final answer
    x = 20,080.04

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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.