Home / 55,570.09-76,686.13-30,075.93

Finding the Fourth Proportional to 55,570.09, 76,686.13 and 30,075.93

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Solution

The fourth proportional to 55,570.09, 76,686.13 and 30,075.93 is: 41,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.09 : 76,686.13 = 30,075.93 : x
  2. Step 2: Convert to fraction form
    55,570.09/76,686.13 = 30,075.93/x
  3. Step 3: Cross multiply
    55,570.09x = 76,686.13 × 30,075.93
  4. Step 4: Simplify right side
    55,570.09x = 2,306,406,677.85
  5. Step 5: Solve for x
    x = 2,306,406,677.85/55,570.09
  6. Step 6: Final answer
    x = 41,504.46

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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.