Home / 56,156.16-77,496.08-31,005.60

Finding the Fourth Proportional to 56,156.16, 77,496.08 and 31,005.60

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Solution

The fourth proportional to 56,156.16, 77,496.08 and 31,005.60 is: 42,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.16 : 77,496.08 = 31,005.60 : x
  2. Step 2: Convert to fraction form
    56,156.16/77,496.08 = 31,005.60/x
  3. Step 3: Cross multiply
    56,156.16x = 77,496.08 × 31,005.60
  4. Step 4: Simplify right side
    56,156.16x = 2,402,812,458.05
  5. Step 5: Solve for x
    x = 2,402,812,458.05/56,156.16
  6. Step 6: Final answer
    x = 42,788.05

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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.