Home / 32,985.95-45,526.71-18,838.79

Finding the Fourth Proportional to 32,985.95, 45,526.71 and 18,838.79

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Solution

The fourth proportional to 32,985.95, 45,526.71 and 18,838.79 is: 26,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.95 : 45,526.71 = 18,838.79 : x
  2. Step 2: Convert to fraction form
    32,985.95/45,526.71 = 18,838.79/x
  3. Step 3: Cross multiply
    32,985.95x = 45,526.71 × 18,838.79
  4. Step 4: Simplify right side
    32,985.95x = 857,668,292.94
  5. Step 5: Solve for x
    x = 857,668,292.94/32,985.95
  6. Step 6: Final answer
    x = 26,001.02

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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.