Home / 56,160.04-77,500.36-31,009

Finding the Fourth Proportional to 56,160.04, 77,500.36 and 31,009

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Solution

The fourth proportional to 56,160.04, 77,500.36 and 31,009 is: 42,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.04 : 77,500.36 = 31,009 : x
  2. Step 2: Convert to fraction form
    56,160.04/77,500.36 = 31,009/x
  3. Step 3: Cross multiply
    56,160.04x = 77,500.36 × 31,009
  4. Step 4: Simplify right side
    56,160.04x = 2,403,208,663.24
  5. Step 5: Solve for x
    x = 2,403,208,663.24/56,160.04
  6. Step 6: Final answer
    x = 42,792.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.