Home / 48,665.61-72,970.47-19,048.77

Finding the Fourth Proportional to 48,665.61, 72,970.47 and 19,048.77

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Solution

The fourth proportional to 48,665.61, 72,970.47 and 19,048.77 is: 28,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665.61 : 72,970.47 = 19,048.77 : x
  2. Step 2: Convert to fraction form
    48,665.61/72,970.47 = 19,048.77/x
  3. Step 3: Cross multiply
    48,665.61x = 72,970.47 × 19,048.77
  4. Step 4: Simplify right side
    48,665.61x = 1,389,997,699.82
  5. Step 5: Solve for x
    x = 1,389,997,699.82/48,665.61
  6. Step 6: Final answer
    x = 28,562.22

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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.