Home / 30,210.35-41,689.93-16,783.08

Finding the Fourth Proportional to 30,210.35, 41,689.93 and 16,783.08

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Solution

The fourth proportional to 30,210.35, 41,689.93 and 16,783.08 is: 23,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.35 : 41,689.93 = 16,783.08 : x
  2. Step 2: Convert to fraction form
    30,210.35/41,689.93 = 16,783.08/x
  3. Step 3: Cross multiply
    30,210.35x = 41,689.93 × 16,783.08
  4. Step 4: Simplify right side
    30,210.35x = 699,685,430.38
  5. Step 5: Solve for x
    x = 699,685,430.38/30,210.35
  6. Step 6: Final answer
    x = 23,160.45

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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.