Home / 56,417.33-77,852.75-30,918.84

Finding the Fourth Proportional to 56,417.33, 77,852.75 and 30,918.84

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Solution

The fourth proportional to 56,417.33, 77,852.75 and 30,918.84 is: 42,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,417.33 : 77,852.75 = 30,918.84 : x
  2. Step 2: Convert to fraction form
    56,417.33/77,852.75 = 30,918.84/x
  3. Step 3: Cross multiply
    56,417.33x = 77,852.75 × 30,918.84
  4. Step 4: Simplify right side
    56,417.33x = 2,407,116,274.27
  5. Step 5: Solve for x
    x = 2,407,116,274.27/56,417.33
  6. Step 6: Final answer
    x = 42,666.25

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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.