Home / 38,435.34-53,038.35-21,442.08

Finding the Fourth Proportional to 38,435.34, 53,038.35 and 21,442.08

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Solution

The fourth proportional to 38,435.34, 53,038.35 and 21,442.08 is: 29,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,435.34 : 53,038.35 = 21,442.08 : x
  2. Step 2: Convert to fraction form
    38,435.34/53,038.35 = 21,442.08/x
  3. Step 3: Cross multiply
    38,435.34x = 53,038.35 × 21,442.08
  4. Step 4: Simplify right side
    38,435.34x = 1,137,252,543.77
  5. Step 5: Solve for x
    x = 1,137,252,543.77/38,435.34
  6. Step 6: Final answer
    x = 29,588.72

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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.