Home / 56,006.72-84,000.36-19,070.72

Finding the Fourth Proportional to 56,006.72, 84,000.36 and 19,070.72

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Solution

The fourth proportional to 56,006.72, 84,000.36 and 19,070.72 is: 28,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,006.72 : 84,000.36 = 19,070.72 : x
  2. Step 2: Convert to fraction form
    56,006.72/84,000.36 = 19,070.72/x
  3. Step 3: Cross multiply
    56,006.72x = 84,000.36 × 19,070.72
  4. Step 4: Simplify right side
    56,006.72x = 1,601,947,345.46
  5. Step 5: Solve for x
    x = 1,601,947,345.46/56,006.72
  6. Step 6: Final answer
    x = 28,602.77

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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.