Home / 30,117.51-41,562.47-16,688.96

Finding the Fourth Proportional to 30,117.51, 41,562.47 and 16,688.96

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Solution

The fourth proportional to 30,117.51, 41,562.47 and 16,688.96 is: 23,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.51 : 41,562.47 = 16,688.96 : x
  2. Step 2: Convert to fraction form
    30,117.51/41,562.47 = 16,688.96/x
  3. Step 3: Cross multiply
    30,117.51x = 41,562.47 × 16,688.96
  4. Step 4: Simplify right side
    30,117.51x = 693,634,108.07
  5. Step 5: Solve for x
    x = 693,634,108.07/30,117.51
  6. Step 6: Final answer
    x = 23,030.92

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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.