Home / 56,047.68-77,346.06-30,897.24

Finding the Fourth Proportional to 56,047.68, 77,346.06 and 30,897.24

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Solution

The fourth proportional to 56,047.68, 77,346.06 and 30,897.24 is: 42,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,047.68 : 77,346.06 = 30,897.24 : x
  2. Step 2: Convert to fraction form
    56,047.68/77,346.06 = 30,897.24/x
  3. Step 3: Cross multiply
    56,047.68x = 77,346.06 × 30,897.24
  4. Step 4: Simplify right side
    56,047.68x = 2,389,779,778.87
  5. Step 5: Solve for x
    x = 2,389,779,778.87/56,047.68
  6. Step 6: Final answer
    x = 42,638.34

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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.