Home / 42,673.24-64,042.53-19,316.08

Finding the Fourth Proportional to 42,673.24, 64,042.53 and 19,316.08

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Solution

The fourth proportional to 42,673.24, 64,042.53 and 19,316.08 is: 28,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673.24 : 64,042.53 = 19,316.08 : x
  2. Step 2: Convert to fraction form
    42,673.24/64,042.53 = 19,316.08/x
  3. Step 3: Cross multiply
    42,673.24x = 64,042.53 × 19,316.08
  4. Step 4: Simplify right side
    42,673.24x = 1,237,050,632.88
  5. Step 5: Solve for x
    x = 1,237,050,632.88/42,673.24
  6. Step 6: Final answer
    x = 28,988.91

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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.