Home / 42,688.98-58,840.29-28,536.66

Finding the Fourth Proportional to 42,688.98, 58,840.29 and 28,536.66

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Solution

The fourth proportional to 42,688.98, 58,840.29 and 28,536.66 is: 39,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688.98 : 58,840.29 = 28,536.66 : x
  2. Step 2: Convert to fraction form
    42,688.98/58,840.29 = 28,536.66/x
  3. Step 3: Cross multiply
    42,688.98x = 58,840.29 × 28,536.66
  4. Step 4: Simplify right side
    42,688.98x = 1,679,105,350.03
  5. Step 5: Solve for x
    x = 1,679,105,350.03/42,688.98
  6. Step 6: Final answer
    x = 39,333.46

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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.