Home / 56,053.77-77,353.69-30,903.27

Finding the Fourth Proportional to 56,053.77, 77,353.69 and 30,903.27

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Solution

The fourth proportional to 56,053.77, 77,353.69 and 30,903.27 is: 42,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.77 : 77,353.69 = 30,903.27 : x
  2. Step 2: Convert to fraction form
    56,053.77/77,353.69 = 30,903.27/x
  3. Step 3: Cross multiply
    56,053.77x = 77,353.69 × 30,903.27
  4. Step 4: Simplify right side
    56,053.77x = 2,390,481,967.57
  5. Step 5: Solve for x
    x = 2,390,481,967.57/56,053.77
  6. Step 6: Final answer
    x = 42,646.23

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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.