Home / 37,341.34-51,530.40-20,345.72

Finding the Fourth Proportional to 37,341.34, 51,530.40 and 20,345.72

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Solution

The fourth proportional to 37,341.34, 51,530.40 and 20,345.72 is: 28,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,341.34 : 51,530.40 = 20,345.72 : x
  2. Step 2: Convert to fraction form
    37,341.34/51,530.40 = 20,345.72/x
  3. Step 3: Cross multiply
    37,341.34x = 51,530.40 × 20,345.72
  4. Step 4: Simplify right side
    37,341.34x = 1,048,423,075.72
  5. Step 5: Solve for x
    x = 1,048,423,075.72/37,341.34
  6. Step 6: Final answer
    x = 28,076.74

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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.